 | | Re: Newbie has an idea - Nascar style racing?
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(...) The FLL mats have a different material on the back, and I doubt you could actually print on the front. That type of mat would be great for this, but I'll bet it's expensive. Steve (23 years ago, 27-Nov-02, to lugnet.robotics)
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| | RE: "real" LEGO Hovercraft ? (with/without batteries/RCX "onboard")
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Hi Dan, (...) ok, I think that now everyone knows that I like hovercrafts... never had one... but then, I always liked helicopters and never had one also. hmmm... I just remembered I have a cpu cooling fan laying around... maybe... well, it's (...) (23 years ago, 27-Nov-02, to lugnet.robotics)
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| | Re: "real" LEGO Hovercraft ? (with/without batteries/RCX "onboard")
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There was an excellent episode of JunkYard Wars where they demonstrated just how easy, relatively speaking, it is to build a hovercraft. (URL) Now piloting it once it's built, there's the tricky part... Dan Novy Technical Supervisor Flash Film (...) (23 years ago, 27-Nov-02, to lugnet.robotics)
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| | Re: Newbie has an idea - Nascar style racing?
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(...) First Lego League uses a plastic mat made by 3M for their competitions. Every team gets one to practice with when they register. I don't know how expensive it is since 3M donates it to FLL, but it does have several redeeming qualities for this (...) (23 years ago, 27-Nov-02, to lugnet.robotics)
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| | Re: problem building gcc for brickOS-02.6.09 installation under windows xp
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(...) Don't try to build it yourself in Windows - you'll go insane. Download the prebuilt binaries. (23 years ago, 27-Nov-02, to lugnet.robotics.rcx.legos)
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| | problem building gcc for brickOS-02.6.09 installation under windows xp
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I am trying to install brickOS-02.6.09 under Windows XP using the latest instructions (version 1.2, 19.09.02). When building the gcc compiler I get the attached errors. Afterwards I notice that I constantly get 'permission denied' when I type any (...) (23 years ago, 27-Nov-02, to lugnet.robotics.rcx.legos)
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| | Re: compass sensor
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(...) Why do you need the accuracy? Dead reckoning type navigation? Just curious. (23 years ago, 26-Nov-02, to lugnet.robotics)
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| | Re: "real" LEGO Hovercraft ? (with/without batteries/RCX "onboard")
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(...) Hi, I'm not sure whether this would work or not but one possibility is using an inner tube from a mountain bike tyre. They are strong, reasonably light and look to be just the right size. Also small holes could be made on the inside of the (...) (23 years ago, 27-Nov-02, to lugnet.robotics)
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| | Re: Polling sensor values with wait_event
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Hi Joe, Thanks for your reply, I guess that is the solution to use in this case. I'll still just get values every 20ms. By changing the timeslice I could have this go a bit faster though. Thomas (23 years ago, 27-Nov-02, to lugnet.robotics.rcx.legos)
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| | Re: Line following algorithms
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(...) Have a variable remembering if the 'bot found the line turning left or right and try that direction first instead of random. This way the bot will go much fast through long turns but will always seek wrong direction for the first correction of (...) (23 years ago, 27-Nov-02, to lugnet.robotics)
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| | Re: Another cement mixer......
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(...) Hey! That's a really cool function not seen in a modelteam MOC before AFAIK! (...) I've been considering building a trailer of some sort when mind-planning a few MOC's in order to fit all stuff and still be able to remote control the MOC. Your (...) (23 years ago, 27-Nov-02, to lugnet.technic, lugnet.robotics, lugnet.general, lugnet.modelteam, lugnet.loc.it)
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| | Re: "real" LEGO Hovercraft ? (with/without batteries/RCX "onboard")
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(...) (URL) is a nice project, they built a human-powered hovercraft that was just able to lift a person from the ground. I read a dutch article on it, they also refer to a few books on hovercraft design. (...) The project above uses styrofoam to (...) (23 years ago, 27-Nov-02, to lugnet.robotics)
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| | RE: "real" LEGO Hovercraft ? (with/without batteries/RCX "onboard")
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Hi Rob :) (...) Yes, I *think* that's the only way. (...) That's my first approach. I'll deal with motion next. (...) 100% LEGO yes, but I'm planning on using LEGO (maybe ZNAP at first, then a mix of Technic) as the "wire-frame" and then use plastic (...) (23 years ago, 27-Nov-02, to lugnet.robotics)
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| | RE: "real" LEGO Hovercraft ? (with/without batteries/RCX "onboard")
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Hi Andy :) (...) Well... I tried last night various solutions, with the two types of motors, gearing, LEGO (useless) and non-LEGO propellers and... the best I could do was a contraption that only lifted with a counter-weight (something like the (...) (23 years ago, 27-Nov-02, to lugnet.robotics)
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| | Re: "real" LEGO Hovercraft ? (with/without batteries/RCX "onboard")
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(...) Several of the original hovercraft didn't have skirts, they were the running board sitting on the ground. There is a simple childrens science experiment to demonstrate the effect. Take a sewing thread spool (the old wood kind work best) and (...) (23 years ago, 27-Nov-02, to lugnet.robotics)
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| | Re: "real" LEGO Hovercraft ? (with/without batteries/RCX "onboard")
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(...) Actually they don't. You can create a hovercraft that will lift an ordinary adult (say <200lb US) using nothing more than a half sheet of plywood, a 1/4HP vacuum cleaner motor, a shower curtain, some tape, a bunch of 1" washers to keep the (...) (23 years ago, 26-Nov-02, to lugnet.robotics)
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| | Re: "real" LEGO Hovercraft ? (with/without batteries/RCX "onboard")
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(...) That was the SRN1 - the worlds first working full-sized hovercraft - which (amazingly) didn't have a skirt. You can see a picture of it here: (URL) Steve Baker ---...--- HomeEmail: <sjbaker1@airmail.net> WorkEmail: <sjbaker@link.com> HomePage (...) (23 years ago, 27-Nov-02, to lugnet.robotics)
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| | Re: Polling sensor values with wait_event
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Thomas, You are mostly correct. However, keep in mind that tasks with the same priority get checked in turn. The first task in the priority chain does not get undo precedence over the others in the same priority level. Example: Tasks A, B and C all (...) (23 years ago, 27-Nov-02, to lugnet.robotics.rcx.legos)
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| | Re: "real" LEGO Hovercraft ? (with/without batteries/RCX "onboard")
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(...) Basic LCAC design. The air that drives the skirt is -not- derived from the direction fans but rather from the turbine input plenums (those babies will suck as much air in just a few 10's of sec. as goes through your entire house in year). If (...) (23 years ago, 27-Nov-02, to lugnet.robotics)
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| | Re: "real" LEGO Hovercraft ? (with/without batteries/RCX "onboard")
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A ducted fan approach may work. Ducted fan hovercraft have one or two big fan blades on the back that push the craft forward, but a duct takes some of the air and uses it to fill the skirt. This is probably the "lightest" design approach. Direction (...) (23 years ago, 27-Nov-02, to lugnet.robotics)
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| | Re: A Really Cool MOC - Air Powered Air Propelled
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This thing is ABSOLUTELY super cool. Indeed a challenge to beat. Will probebly run a few inches more with the slick tires from set 8422. Hm, also eye-catching color-scheme :-) Klaas (...) (23 years ago, 27-Nov-02, to lugnet.robotics, lugnet.technic)
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| | Re: Helicopter was Re: Newbie has an idea
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(...) You are welcome. (...) I did a fair amount of experimenting on the rotor blades. I also tried the RDS insect wings (though I only had two) and I did have limited success. I couldn't think up a way of mounting them that will keep them at a (...) (23 years ago, 26-Nov-02, to lugnet.robotics)
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| | Re: technic turntable mould difference
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(...) I haven't taken pictures yet - from the question I understand he maintains the list of parts for bricklink / lugnet ? What is the emailaddress ? Mark-Jan (23 years ago, 26-Nov-02, to lugnet.robotics, lugnet.technic)
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| | Re: "real" LEGO Hovercraft ? (with/without batteries/RCX "onboard")
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(...) The experiments we've done with the helicopter suggest that you can generate some pretty impressive volumes of fairly slow moving air - but high speed/low volume is hard. The RDS insect wings that we used on our helicopter work really well, (...) (23 years ago, 26-Nov-02, to lugnet.robotics)
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| | Re: technic turntable mould difference
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Sent the pictures to Clark Corner yet? Duq "Mark-Jan Bastian" <markjan@xs4all.nl> wrote in message news:H67DIo.84u@lugnet.com... (...) (23 years ago, 26-Nov-02, to lugnet.robotics, lugnet.technic)
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| | technic turntable mould difference
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Hello, I'm building a very solid turntable base, and found a problem with one of the turntables I bought via bricklink. All the turntables I have used to have little dents at the base, also at the side which has the three bottom mounting holes. But, (...) (23 years ago, 26-Nov-02, to lugnet.robotics, lugnet.technic)
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| | RE: "real" LEGO Hovercraft ? (with/without batteries/RCX "onboard")
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Hi Chris, :) (...) I have that set. That was one of the first tests I did when I got it. It's my only ZNAP set. I bought it because of the motor, the flex and those wheel/"turbine". From what I remember, it doesn't work that well. It's too tiny. It (...) (23 years ago, 26-Nov-02, to lugnet.robotics)
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| | Polling sensor values with wait_event
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Hello all, Is it true that the wakeup function is only checked once every timeslice and only for the process that has the highest priority and is at the front of the priority chain? For example, a process k is waiting on the wakeup function y wich (...) (23 years ago, 26-Nov-02, to lugnet.robotics.rcx.legos)
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| | RE: Newbie has an idea - Nascar style racing?
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(...) How about blocking the illumination LED and using the LEGO LAMP for illumination? (...) This eliminates one more color/pattern for the RCX to look for, probably a good thing. How would this relate to determining winner of a race? (...) The (...) (23 years ago, 26-Nov-02, to lugnet.robotics)
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| | Re: "real" LEGO Hovercraft ? (with/without batteries/RCX "onboard")
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(...) I'd be interested in knowing how this works. The ZNAP green helicopter set (which I got three of last year at $9 each!) had some little round turbine-like parts, basically a ducted fan. Never tried them out to see if they're actually (...) (23 years ago, 26-Nov-02, to lugnet.robotics)
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| | "real" LEGO Hovercraft ? (with/without batteries/RCX "onboard")
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Ok, so we have the 4, 3 and 2 (LegWay :) wheel bots... and the 8, 6, 3, 2, 1(?) leg BOTs. ...but, what about a 0 (zero) Wheel / Leg Bot ? Ok, there's the pseudo-flying bots :)) but, apart from some trials with blimps (helium balloons?) and (...) (23 years ago, 26-Nov-02, to lugnet.robotics)
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| | Re: Helicopter was Re: Newbie has an idea
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(...) THe thing we couldn't understand was how you'd managed to make the helicopter fly forwards and backwards. We'd assumed you had some amazingly clever cyclic pitch adjustment in the rotor head (which looks complicated enough to maybe do (...) (23 years ago, 26-Nov-02, to lugnet.robotics)
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| | USB Tower in Linux
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Hi! How can I use the USB Tower in Linux, especially with leJOS? greetings, Raphael (23 years ago, 26-Nov-02, to lugnet.robotics)
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| | Re: Newbie has an idea - Nascar style racing?
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Hi Steve, (...) not refill their own cartridges. (...) brick corner during a crash. Here in Italy, Mario Ferrari printed a beautiful (but very expensive) track that we regularly use for our Gran-PRIS competitions. It's 200x250 cm wide with borders (...) (23 years ago, 26-Nov-02, to lugnet.robotics)
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| | Re: Another cement mixer......
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(...) I will do. Dennis (23 years ago, 26-Nov-02, to lugnet.technic, lugnet.robotics, lugnet.general, lugnet.modelteam, lugnet.loc.it)
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| | A Really Cool MOC - Air Powered Air Propelled
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Hey fellas, Here's a really cool MOC, literally: (URL) by fellow engine-building fanatic, Paul Krieg, whose creations are amazing to say the least. It's the first of a new class of vehicles - an APAPV for sure. We could organise a competition for (...) (23 years ago, 26-Nov-02, to lugnet.robotics, lugnet.technic) !
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| | Re: compass sensor
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the 2° come from here (URL) this one hasn't been modified to be useable with the RCX I know about the one from hitechnicstuff, but it's not accurate enough: "The heading is calculated about 6 times per second and has an accuracy of approximately 5 (...) (23 years ago, 26-Nov-02, to lugnet.robotics)
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| | Re: Another cement mixer......
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(...) Hi Dennis, This model, built in collaboration with my frien Fabio Sali is fully operational as you specified, but naturally, due to the weigh (4/4,2 Kg) there's a problem .. it's very slow. Thank to Fabio suspension setup, and a good downgear (...) (23 years ago, 26-Nov-02, to lugnet.technic, lugnet.robotics, lugnet.general, lugnet.modelteam, lugnet.loc.it)
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| | Re: compass sensor
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(...) I don't know about the two degrees, but Hitechnic has a nice digital compass. 100 levels will give 3.6 degrees per count, assuming a perfect world - no nearby magnetic sources (motors being a good one) and no disturbances in the earth's (...) (23 years ago, 26-Nov-02, to lugnet.robotics)
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| | Re: compass sensor
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(...) Look here: (URL) C S Soh CSSoh's Lego Pneumatics (URL) where air is power! (23 years ago, 26-Nov-02, to lugnet.robotics)
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| | Re: compass sensor
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(...) Ther is a compassensor here: (URL) I don't know about the accurasy of it. (23 years ago, 26-Nov-02, to lugnet.robotics)
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| | Re: Line following algorithms
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(...) Dave Baum's Definitive Guide gives a good treatment for the case of a single light sensor. However, to follow a line as opposed to "edge following" with elegance and ability to negotiate sharp 90-degree bends requires two light sensors as was (...) (23 years ago, 26-Nov-02, to lugnet.robotics)
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| | compass sensor
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Hello! Is there a very accurate (max. +/-2°) compass sensor that can be used with the RCX? THANKS! Raphael (23 years ago, 26-Nov-02, to lugnet.robotics)
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| | Re: Page down
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(...) (23 years ago, 26-Nov-02, to lugnet.robotics.rcx.nqc)
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| | Re: Problem with DIY Spybotics SDK...
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Mark, Following your suggestion, I just removed the path information, as regsvr32 is always in a pathed system directory. C:\Program Files\LEGO Software\LEGO Mindstorms SDK\Bin\reg.bat now reads: regsvr32.exe vpbcom.dll instead of: (...) (23 years ago, 26-Nov-02, to lugnet.robotics)
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| | Re: Newbie has an idea - Nascar style racing?
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I'm constructing an oval track on a 4X8 sheet of plywood with a different grey tone for the inside and outside of the track. I will experiment with tones and thickness. There will be a "barcode" to indicate upcomming corners, this will act as a (...) (23 years ago, 26-Nov-02, to lugnet.robotics)
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| | Re: Newbie has an idea - Nascar style racing?
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(...) does not refill their own cartridges. Paper won't (...) Partially why it is expensive. The fact that it is easily damaged makes maintennance that much more expensive. Not to mention constant replacing of paper track would eat up valuable event (...) (23 years ago, 26-Nov-02, to lugnet.robotics)
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| | Re: Helicopter was Re: Newbie has an idea
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Hi Steve and everyone else, I'm working on a Lugnet page with more information on my helicopter but in the mean time, here are the photos: (URL) you can see, I use a low-torque, hi-rpm motor with a non-lego rotor. The rotor, by the way, came from a (...) (23 years ago, 26-Nov-02, to lugnet.robotics)
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| | Re: Problem with DIY Spybotics SDK...
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Nope, not the case. I never installed the SDK until I went to do this, and I let it take all the defaults. ----- Original Message ----- From: "Mark Riley" <markril@hotmail.com> To: <lego-robotics@crynwr.com> Sent: Monday, November 25, 2002 6:30 PM (...) (23 years ago, 26-Nov-02, to lugnet.robotics)
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| | Re: On LEGO Compressors & Pump Testing
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(...) Or 4 hand pumps, like I used to power my v4 engine: (URL) H Nielsen (23 years ago, 26-Nov-02, to lugnet.robotics, lugnet.technic)
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| | Re: Newbie has an idea - Nascar style racing?
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(...) This makes robots have to depend much more on dead-reckoning. If you are steering (say) 10% too much - then that error will build up without limit. You'd come out of a 90 degree turn with a 9 degree error - but unless you have two light (...) (23 years ago, 26-Nov-02, to lugnet.robotics)
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| | Re: Problem with DIY Spybotics SDK...
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I did a little more poking around and found out the reg.bat file in the SDK Bin directory is supposed to register the COM server vpbcom.dll. The batch file assumes the Windows install directory is "\windows\..." which could be bad if you installed (...) (23 years ago, 25-Nov-02, to lugnet.robotics)
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| | Re: Newbie has an idea - Nascar style racing?
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(...) > stay down unless taped, and it could be torn easily with a brick corner during a crash. I guess so - but it's easily repaired and highly reproducible. (...) > and paint are cheap and universally available. They are pretty easy to line up (...) (23 years ago, 25-Nov-02, to lugnet.robotics)
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| | Re: RCX and batteries
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(...) [cut & pasted] (...) from - (...) [here it is] (...) port? (...) current (...) A 4-diode rectifier bridge converts AC to DC (and will sort out polarity problems), but it's not constant voltage DC (it's both halves of the AC sine wave above the (...) (23 years ago, 25-Nov-02, to lugnet.robotics)
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| | Re: Newbie has an idea - Nascar style racing?
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(...) Even two A4 sheets would make for rather tight turns if it's going to fit together like a jigsaw. ---...--- Steve Baker ---...--- HomeEmail: <sjbaker1@airmail.net> WorkEmail: <sjbaker@link.com> HomePage : (URL) : (4 URLs) (23 years ago, 25-Nov-02, to lugnet.robotics)
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| | Re: Problem with DIY Spybotics SDK...
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In case you haven't fixed your problem yet... Make sure you haven't moved or renamed any of the directories created after installing the SDK. Apparently, some COM objects get registered at install time and will fail to load if the directory (...) (23 years ago, 25-Nov-02, to lugnet.robotics)
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| | Re: Newbie has an idea - Nascar style racing?
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(...) ensure the red, green and blue would look like different shades to the Lego light sensor. I think this would be easier to achieve (and therefore more reproducible) with shades of grey. Not that it matters much, calibration wouldn't be that (...) (23 years ago, 25-Nov-02, to lugnet.robotics)
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| | Re: RCX and batteries
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Hi Guys , Just to let you know that the AC Power Adapter that LEGO supplies has an AC output voltage. You can even get 5mm plug and attach it to a 9V battery clip and use a standard 9V battery to power the RCX. It won't last long but it is a way to (...) (23 years ago, 25-Nov-02, to lugnet.robotics)
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| | Re: RCX and batteries
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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 (...) I'm not sure, but it does have a voltage regulator, and I've *heard* it works even with AC. (BTW, a rectifier meaning a single diode blocks current going the wrong direction. A 4-diode rectifier (...) (23 years ago, 25-Nov-02, to lugnet.robotics)
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| | BricxCC release 3.3.6.6
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BricxCC version 3.3.6.6 is now available. This release enhances the support for brickOS introduced in the previous release. 1. brickOS programs comprised of multiple files residing in the same directory can now be compiled. See View/Project Manager (...) (23 years ago, 25-Nov-02, to lugnet.robotics, lugnet.robotics.rcx.legos)
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| | Re: Problem with DIY Spybotics SDK...
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(...) I don't know what might have gone wrong for you, but I have not had any problems with the DIY Spybotics SDK under W2K. I would double check that you followed the instructions precisely. In theory a new SDK with Spybotics support should be (...) (23 years ago, 25-Nov-02, to lugnet.robotics)
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| | RE: Newbie has an idea - Nascar style racing?
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Here is a drawing of what I was thinking of: (URL) the layout on paper would be expensive for a home user that does not refill their own cartridges. Paper won't stay down unless taped, and it could be torn easily with a brick corner during a crash. (...) (23 years ago, 25-Nov-02, to lugnet.robotics)
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| | Re: Line following algorithms
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(...) Thanks Steve, I saw these site before, it´s a nice job but the described algorithm is based more on "edge following" than on "line following". For this kind of algorithm the best solution would be a grayscale track such as the "Nascar racers" (...) (23 years ago, 25-Nov-02, to lugnet.robotics)
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| |
| | Re: BrickOS 0.2.6.09
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|
(...) Now, I remember what I did. I spend the weekend fighting with the install for BrickOS, and I got both these errors (makedepend & font...) because at some point in my messing, I skipped the makedepend and went on. I just need to do this (...) (23 years ago, 25-Nov-02, to lugnet.robotics.rcx.legos)
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| | Re: BrickOS 0.2.6.09
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(...) I've never needed to do a make depend to get brickOS to function properly on my machine. I still don't have makedepend installed and everything is working fine. John Hansen (23 years ago, 25-Nov-02, to lugnet.robotics.rcx.legos)
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| | Re: Installing BrickOS 0.2.6.09.newConf2
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(...) Unfortunately, that won't fix the bug because later on it says: CFLAGS=-O2 -Wall which will ignore the existing value of CFLAGS. The best fix for cygwin and newConf2 is to change the line in the ifdef BUILDING_HOST_UTILS section to be (...) (23 years ago, 25-Nov-02, to lugnet.robotics.rcx.legos)
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| | Re: C Compiler for Windows 98
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(...) It is much simpler to download the pre-built Hitachi H8 tools than it is to try and build the cross-compiler under cygwin. (URL) them under your cygwin directory. Extract the brickOS release under cygwin. Run ./configure from the BASH shell (...) (23 years ago, 25-Nov-02, to lugnet.robotics.rcx.legos)
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| | Re: Line following algorithms
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(...) I keep wanting to make up something like this. But I haven't, yet. Here's something to get you started: (URL) (23 years ago, 25-Nov-02, to lugnet.robotics)
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| | RE: Newbie has an idea - Nascar style racing?
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|
If you print the racetrack on A4 sheets you could rearrange them like a jigsaw puzzle. Each sheet is a "Straight" or a "chicane" or a "90deg left" or whatever. Before a race, the only thing the competitors know is that the track will be constructed (...) (23 years ago, 25-Nov-02, to lugnet.robotics)
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| | Line following algorithms
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Hi, I´m a newbie to this community and to LEGO as well. My first interest at now are line following algorithms, specially with a single light sensor. Has anybody tutorial material on this subject? Thanks, Paulo Sérgio Tesche (23 years ago, 25-Nov-02, to lugnet.robotics)
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| | Re: BrickOS 0.2.6.09
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Can someone tell me what part of the XFree86 stuff has the makedepend? I decided to upgrade to the latest version of BrickOS, and I'm having the same problem. Thanks Steve ----- Original Message ----- Date: Sun, 24 Nov 2002 23:15:00 GMT To: (...) (23 years ago, 25-Nov-02, to lugnet.robotics.rcx.legos)
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| | Re: RIS 1.5 £85 at UK S@H
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"William Howard" <william@howard-fami...rld.co.uk> wrote in message news:NFBBICINOLKHMIO...d.co.uk... (...) Phew! Thought for a minute I'd missed this one. Persistence paid off though. When you call Shop @ Home they will tell you they don't have any (...) (23 years ago, 25-Nov-02, to lugnet.robotics, lugnet.technic, lugnet.loc.uk)
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| | Re: RCX and batteries
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are you sure any polarity will work? does it have a rectifier(I think this is what I mean) built into the port? Timothy (...) (23 years ago, 25-Nov-02, to lugnet.robotics)
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| | Re: Page down
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(URL) 2002-11-25 0:28 Uhr schrieb "Nick Tarleton" unter <nickptar@mindspring.com>: (...) (23 years ago, 24-Nov-02, to lugnet.robotics)
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| | Page down
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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Anything under www.enteract.com/~dbaum gives me a 403 Forbidden. Is the page temporarily down, or has it moved? If it's down for a long time, where can I get the latest NQC version? -----BEGIN PGP (...) (23 years ago, 24-Nov-02, to lugnet.robotics.rcx.nqc)
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| | Re: C Compiler for Windows 98
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(...) Your compiler isn't the problem. The .o file is being generated by the compiler. Either the makefile is bad or makelx is barfing. Sorry if I can't help more, since I use Linux. Use cygwin - I think it's www.cygwin.com. (23 years ago, 24-Nov-02, to lugnet.robotics.rcx.legos)
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| | Re: RCX and batteries
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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 (...) If you have a 1.0 RCX, use a power adapter when you can. 9-12V, any polarity will do, even AC. I use a 12V, 500mA, negative-tip adapter from - hehe - a K'Nex set. -----BEGIN PGP SIGNATURE----- (...) (23 years ago, 24-Nov-02, to lugnet.robotics)
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| | Re: BrickOS 0.2.6.09
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Hi Scott, I had the same problem - the reason is that the program "makedepend" is part of the XFree86 packet (which is not included in the needed-packet-list in the windows install FAQ). Just install that packet and it should work fine. Btw, don't (...) (23 years ago, 24-Nov-02, to lugnet.robotics)
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| | Spybotics out of stock at Amazon?
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All, It looks like Spybots are out of stock at Amazon. Actually, the message says "Out of stock or discontinued" Either they are selling like hotcakes and they ARE out of stock or... By the way, the owner of the independent toy store in my small (...) (23 years ago, 24-Nov-02, to lugnet.robotics.spybotics)
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| | BrickOS 0.2.6.09
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I have tried to install BrickOS 0.2.6.09. I get the following error when I try to make depend. I'm running Windows XP. Owner@YOUR-318RUQZ03Z /brickos-0.2.6.09.newConf2 $ make depend make[1]: Entering directory `/brickos-0.2.6.09.n...onf2/util' (...) (23 years ago, 24-Nov-02, to lugnet.robotics)
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| | Re: C Compiler for Windows 98
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I don't know if this will help you at all, but, I found that C progams need all the variables declared at the beggining of the program, and this became quite annoying because of my experence with C++. So I asked someone who might know... In BrickOS (...) (23 years ago, 24-Nov-02, to lugnet.robotics.rcx.legos)
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| | Problem with DIY Spybotics SDK...
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What is Spybotics? I've carefully studied the box in the store. I've carefully studied the catalogue. And I still have absolutely no idea. Also, do any of the Lego cameras do online vision processing? What kind? Or is it all done on the PC? Peter (23 years ago, 24-Nov-02, to lugnet.robotics)
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| | Re: articulation points?
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A few years back i was showing my platform arm )now defunct) to a friend of mine in engineering,and while talking about degrees of freedom and he said something about half a degree of freedom. I have done some research and have founf nothing on this (...) (23 years ago, 24-Nov-02, to lugnet.build.mecha, lugnet.technic, lugnet.robotics)
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| | C Compiler for Windows 98
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I have been using NQC for some time now and would like to move up to C++ programing with LegOS or BrickOS. I have spent many hours following the instructions on (URL) success in getting a working system. I have decided to try WinLegOS as suggested (...) (23 years ago, 24-Nov-02, to lugnet.robotics.rcx.legos)
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| | Re: Installing BrickOS 0.2.6.09.newConf2
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(...) Its a bug, fixed in the cvs version of brickOS, I believe. For now, adding: CFLAGS+=-D_WIN32 to the top of Makefile.common might work. I can't test it, because I don't have the h8300 compiler set up at the moment. -- Max. (23 years ago, 24-Nov-02, to lugnet.robotics.rcx.legos)
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| | Installing BrickOS 0.2.6.09.newConf2
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Hi, I tried to install brickos 0.2.6.09.newConf2 using the (URL) tutorial, everything goes kind of smoothly untill i have to type make strip in /brickos-0.2.6.09.newConf2/util cygwin responds with: $ make strip strip fontdesign.exe strip: (...) (23 years ago, 24-Nov-02, to lugnet.robotics.rcx.legos)
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| | Re: RCX and batteries
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(...) I don't know how those terms are defined. (...) I use NiMH's - they work just fine - but obviously they don't have the capacity of disposable batteries - I'd estimate that they run out in about a quarter the time that disposables do...but (...) (23 years ago, 24-Nov-02, to lugnet.robotics)
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| | Re: RCX and batteries
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(...) The stalling current of the Lego geared motors is about 250 mA. LIghtly loaded they approach zero. (...) NiMH last about half as long as alkaline. We get ours from ThomasDistributing.com and they now have 1800 mAh AAs. Bruce (23 years ago, 24-Nov-02, to lugnet.robotics)
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| | RCX and batteries
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Is the RCX considered a "high-drain" or "moderate-drain" device? If one is using the motors, I'd almost say yes, but how does frequency of use factor into this? Is anyone using rechargeable NiMH batteries in their RCX? What kind of performance to (...) (23 years ago, 24-Nov-02, to lugnet.robotics)
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| | Micro Scout and Pneumatics Switch Internals
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Micro Scout: (URL) Switch: (URL) pages are still "works in progress"... - Rob (23 years ago, 24-Nov-02, to lugnet.robotics)
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| | Re: Helicopter was Re: Newbie has an idea
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(...) Unfortunately, no. What you see is all there is. ~Mike (...) (23 years ago, 24-Nov-02, to lugnet.robotics)
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| | Problem with DIY Spybotics SDK...
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I've followed the instructions in this post: (URL) don't see a "Spybot" option under the Brick selection in ScriptEd. I'm running Win2K, but that shouldn't have anything to do with it... or could it? Thanks, Rob (23 years ago, 24-Nov-02, to lugnet.robotics)
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| | Re: Electric pneumatic valve?
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(...) Try this: (URL) Otherwise I have an idea in my head right now about how to make one :) (...) Ignore the previous link and just go right ahead. The wheel has been reinvented many times! (23 years ago, 24-Nov-02, to lugnet.robotics, lugnet.technic)
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| | RIS 1.5 £85 at UK S@H
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Under web specials, call for availibility William (23 years ago, 23-Nov-02, to lugnet.robotics, lugnet.technic, lugnet.loc.uk)
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| | Electric pneumatic valve?
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Does anybody know if there are some electrical controlled pneumatic valves (magnetic valves) aviable for Lego that can be controlled trough a RCX unit (9v DC)? Otherwise I have an idea in my head right now about how to make one :) Just want to be (...) (23 years ago, 23-Nov-02, to lugnet.robotics, lugnet.technic)
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| | Re: brickos 0.2.6.09
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What OS, which instructions? These ones? (...) (23 years ago, 23-Nov-02, to lugnet.robotics)
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| | Re: Helicopter was Re: Newbie has an idea
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In general, I don't know how to use the list of inventions on mindstorms.lego.com. All I get is the idea that yeah someone did this and that. No discussions on the issues: how it was done, problems solved, etc, no details. I guess for that you have (...) (23 years ago, 23-Nov-02, to lugnet.robotics)
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| | Re: Helicopter was Re: Newbie has an idea
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Thought I would let you guys know that a MindStormer by name of SeriousDamage claims to have built a helecopter that really can fly. He's uploaded it to the MindStorms site: (URL) he sent me some pictures I'm hosting for him at my site for two (...) (23 years ago, 23-Nov-02, to lugnet.robotics)
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| | Re: Helicopter was Re: Newbie has an idea
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Gustav Jansson wrote: > I have built not a plane but a helicopter that does fly (sort of) > which is remotely controlled. Here are some recent photos: > > (URL) > (URL) > (URL) > (URL) you have any close-up photo's of the stationary helicopter? My (...) (23 years ago, 23-Nov-02, to lugnet.robotics)
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| | Re: LNP-problem...
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(...) Hi, I'm Pieter and working with Tom on a project. I 've tried you're code but it doesn't work. To me the problem seems to be with lnpd. Here is it's log of the session. 0:Info > created lock file /var/lock/LCK..ttyS0 233:Info > running in (...) (23 years ago, 23-Nov-02, to lugnet.robotics.rcx.legos)
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